News tagged with population growth


The past matters to plants

The past matters to plants

Biology / Plants & Animals

created Dec 21, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- It's commonly known that plants interact with each other on an everyday basis: they shade each other out or take up nutrients from the soil before neighboring plants can get them. Now, researchers ...





Search results for population growth


Debunking fears: Latino growth does not boost crime

Other Sciences / Social Sciences

created Dec 09, 2009 | popularity not rated yet | comments 1

Rural industries, such as meat-packing and textile manufacturing, create job opportunities that have brought significant numbers of Latino workers and their families to small- and medium-sized towns. This influx of Latino ...


Marine aquaculture could feed growing world population

Biology / Ecology

created Dec 01, 2009 | popularity 4.5 / 5 (2) | comments 0

The oceans could become the source of more of humanity's food if steps are taken to expand and improve marine aquaculture, according to a study published in the December 2009 issue of BioScience.


A 'one health' approach to addressing emerging zoonoses: The HALI project in Tanzania

Medicine & Health / Other

created Dec 15, 2009 | popularity not rated yet | comments 0

In this week's PLoS Medicine, Jonna Mazet (University of California, Davis) and colleagues describe their work in the Tanzania-based HALI Project, which adopts the "One Health" approach to address emerging zoonoses, recogn ...


Even at sublethal levels, pesticides may slow the recovery of wild salmon populations

Biology / Ecology

created Dec 16, 2009 | popularity not rated yet | comments 0

Biologists determined that short-term, seasonal exposure to pesticides in rivers and basins may limit the growth and size of wild salmon populations. In addition to the widespread deterioration of salmon habitats, these findings ...


Antagonistic genes control rice growth

Antagonistic genes control rice growth

Biology / Cell & Microbiology

created Dec 15, 2009 | popularity not rated yet | comments 0

Scientists at the Carnegie Institution, with colleagues, have found that a plant steroid prompts two genes to battle each other—one suppresses the other to ensure that leaves grow normally in rice and the ...


It's a gas: New discovery may lead to heartier, high-yielding plants

Biology / Biotechnology

created Nov 23, 2009 | popularity 3.3 / 5 (4) | comments 0

In a research report published in the November 2009 issue of the journal Genetics, scientists show how a family of genes (1-aminocyclopropane-1-carboxylate synthase, or ACS genes) are responsible for production of ethyle ...


Abundance of a look-alike species clouds population status of a million dollar fish

Biology / Ecology

created Dec 10, 2009 | popularity not rated yet | comments 1

The prized white marlin, sought by anglers in million dollar prize tournaments and captured incidentally in commercial fisheries, is among the most overfished marine species under international management and the subject ...


Lose the fat: Targeting grease to curtail sewer overflows

Space & Earth / Environment

created Nov 23, 2009 | popularity not rated yet | comments 0

Sewer overflows are a nasty business, posing dangers to human health and the environment. North Carolina State University is launching a new project with funding from the U.S. Environmental Protection Agency (EPA) that targets ...


Study finds logging effects vary based on a forest's history, climate

Space & Earth / Environment

created Dec 02, 2009 | popularity 2 / 5 (1) | comments 0

A Smoky Mountain forest's woodland herb population has shown that climate may play a role in how forest understories recover from logging, according to Purdue University research.


Is global warming unstoppable?

Space & Earth / Environment

created Nov 23, 2009 | popularity 3.6 / 5 (56) | comments 81

In a provocative new study, a University of Utah scientist argues that rising carbon dioxide emissions - the major cause of global warming - cannot be stabilized unless the world's economy collapses or society builds the ...



List of search results for population growth